People were asked how many hours they slept last
night. Plot the data: 10, 8, 8, 7, 9, 6, 8, 7, 10, 9, 9, 8
How many people slept for exactly 9 hours?
What is the total number of hours slept by people whe
slept exactly 8 hours?
hours.
-. Only one person slept for
.
How many more people slept for 8 hours than for 7
hours?